Time division multiplex communication systems



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L. R- F- HARRIS TIME DIVISION MULTIPLEX COMMUNICATION SYSTEMS Filed001;. 23, 1961 55 Sheets-Sheet 8 Aug. 10, 1965 L. R. F. HARRIS 3,200,202

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TIME DIVISION MULTIPLEX COMMUNICATION SYSTEMS Filed Oct. 25. 1961 55Sheets Sheet 19 OUTVIARD EXCHANGE common FIG. l9.

Aug. 10, 1965 Filed Oct. 23, 1961 L. R. F- HARRIS TIME DIVISIONMUL'I'IPLEX COMMUNICATION SYSTEMS 55 Sheets-Sheet 20 FIG. I. FIG.2.F|G.3. FIG.4.

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1. A TELECOMMUNICATION SWITCHING SYSTEM COMPRISING IN COMBINATION APLURALITY OF BLOCKS OF LINES, FOR EACH BLOCK, A TIME DIVISION MULTIPLEXBOTHWAY COMMUINICATION PATH, GATES INTERCONNECTING SAID PATH WITH THELINES OF SAID BLOCK, A PLURALITY OF FURTHER TIME DIVISION MULTIPLEXBOTHWAY COMMUNICATION PATHS, FURTHER GATES INTERCONNECTING EACH OF SAIDFURTHER PATHS WITH SOME AT LEAST OF THE COMMUNICATION PATHS OF SAIDBLOCKS OF LINES, AND, FOR EACH FURTHER PATH, STORAGE MEANSINTERCONNECTED WITH ALL SAID GATES FOR SELECTIVELY ESTABLISHINGCOMMUNICATING FROM ONE OF SAID LINES VIA THE COMMUNICATION PATH OF THEBLOCK CONTAINING SAID ONE LINE AND ONE OF SAID FURTHER PATHS TO ANOTHEROF SAID LINES VIA THE PATH OF THE BLOCK CONTAINING SAID OTHER LINE.